Mathematics 0580 · IGCSE · Sketching curves

Sketching curves — practice question

The table gives several values of $y = x^2 + x - 5$.
(a)[2]

Complete the table by filling in the missing entries.

(b)[4]

Draw the graph of $y = x^2 + x - 5$ over the interval $-4 \le x \le 3$.

(c)[1]

Write down the equation for the line of symmetry of the graph.

(d)[2]

Use the graph to solve $x^2 + x - 5 = 0$.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: Entries $1,-3,1$ are all correct.

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